| Portland Monroe Township | Eastern Time | -03:00 |
| Portland Rovinj | Central European Time | -09:00 |
| Portland tp. Hưng Yên | Indochina Time | -15:00 |
| Portland Butamwa | Central Africa Time | -10:00 |
| Portland Jaljulia | Israel Time | -10:00 |
| Portland Rourkela | India Standard Time | -13:30 |
| Portland Autreppe | Central European Time | -09:00 |
| Portland Hope | Central Time | -02:00 |
| Portland Monreal del Campo | Central European Time | -09:00 |
| Portland Rouse Hill | Eastern Australia Time | -19:00 |
| Portland tp. Long Xuyên | Indochina Time | -15:00 |
| Portland Buscate | Central European Time | -09:00 |
| Portland Jalke Bk. | India Standard Time | -13:30 |
| Portland Rougham | United Kingdom Time | -08:00 |
| Portland Barjols | Central European Time | -09:00 |
| Portland Hope | Pacific Time | 00:00 |
| Portland Monona | Central Time | -02:00 |
| Portland Rothesay | United Kingdom Time | -08:00 |
| Portland tp. Mỹ Tho | Indochina Time | -15:00 |
| Portland Burnside | Central Australia Time | -18:30 |
| Portland Jalhay | Central European Time | -09:00 |
| Portland Rothesay | Atlantic Time | -04:00 |
| Portland Barnagar | India Standard Time | -13:30 |
| Portland Hope Island | Eastern Australia Time | -18:00 |
| Portland Monkton | Eastern Time | -03:00 |
| Portland Röthlein | Central European Time | -09:00 |
| Portland tp. Nam Định | Indochina Time | -15:00 |
| Portland Burwood | Eastern Australia Time | -19:00 |
| Portland Karnak | Central Time | -02:00 |
| Portland Rothschild | Central Time | -02:00 |
| Portland Barns Green | United Kingdom Time | -08:00 |
| Portland Hopland | Pacific Time | 00:00 |
| Portland Monmouth | Central Time | -02:00 |
| Portland Rothenburg ob der Tauber | Central European Time | -09:00 |
| Portland Taylors Hill | Eastern Australia Time | -19:00 |
| Portland Burwood East | Eastern Australia Time | -19:00 |
| Portland Karon | Indochina Time | -15:00 |
| Portland Rostrenen | Central European Time | -09:00 |
| Portland Barnstable | Eastern Time | -03:00 |
| Portland Honiton | United Kingdom Time | -08:00 |
| Portland Moniga del Garda | Central European Time | -09:00 |
| Portland Ram Nagar | India Standard Time | -13:30 |
| Portland Tavira | Western European Time | -08:00 |
| Portland Burtonsville | Eastern Time | -03:00 |
| Portland Kartal | Turkey Time | -11:00 |
| Portland Rakovica | Central European Time | -09:00 |
| Portland Barnard Castle | United Kingdom Time | -08:00 |
| Portland Honnihalli | India Standard Time | -13:30 |
| Portland Monguelfo-Tesido | Central European Time | -09:00 |
| Portland Rajapalayam | India Standard Time | -13:30 |